HEQA Security | 2,602 followers on LinkedIn. Quantum Leap for Secure Communication | At HEQA Security we offer the world’s most cost-effective, easy-to-integrate, and secure Quantum Key Distribution (QKD) solution, used by leading organizations globally to secure their communication. QKD is the only proven quantum-safe technology that can handle quantum-related threats today, and in the future. Built to secure networks at scale, the HEQA Security solution is developed to be cost-effective without compromising the highest level of security possible.